#!/usr/bin/env python
# -*- coding:utf-8 -*-
# Author:Taotie Ren

age = 21

for i in range(10):
    if i < 3:
        guess_num = int(input("input your guess num :"))
        if guess_num  == age:
            print ("Congratulations! you got it.")
            break #跳出循环
        elif guess_num > age:
            print("Think smaller!")
        else:
            print("Think Big...")
    else:
        print("too many attempts ... bye")
        break

'''
for i in range(10):
    print(i)
'''